* [PATCH -next] iio: adc: ti-ads1015: add missing of_node_put() in ads1015_get_channels_config_of()
@ 2016-08-26 14:31 Wei Yongjun
2016-08-29 18:51 ` Jonathan Cameron
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2016-08-26 14:31 UTC (permalink / raw)
To: Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen,
Peter Meerwald-Stadler, Giorgio Dal Molin, Daniel Baluta,
Matt Ranostay, Gregor Boirie, Crt Mori
Cc: Wei Yongjun, linux-iio
From: Wei Yongjun <weiyongjun1@huawei.com>
When terminating for_each_child_of_node() iteration with
break or return, of_node_put() should be used to prevent
stale device node references from being left behind.
This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
drivers/iio/adc/ti-ads1015.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index 066abaf..cde6f13 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -522,6 +522,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
if (pga > 6) {
dev_err(&client->dev, "invalid gain on %s\n",
node->full_name);
+ of_node_put(node);
return -EINVAL;
}
}
@@ -532,6 +533,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
dev_err(&client->dev,
"invalid data_rate on %s\n",
node->full_name);
+ of_node_put(node);
return -EINVAL;
}
}
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH -next] iio: adc: ti-ads1015: add missing of_node_put() in ads1015_get_channels_config_of()
2016-08-26 14:31 [PATCH -next] iio: adc: ti-ads1015: add missing of_node_put() in ads1015_get_channels_config_of() Wei Yongjun
@ 2016-08-29 18:51 ` Jonathan Cameron
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2016-08-29 18:51 UTC (permalink / raw)
To: Wei Yongjun, Hartmut Knaack, Lars-Peter Clausen,
Peter Meerwald-Stadler, Giorgio Dal Molin, Daniel Baluta,
Matt Ranostay, Gregor Boirie, Crt Mori
Cc: Wei Yongjun, linux-iio
On 26/08/16 15:31, Wei Yongjun wrote:
> From: Wei Yongjun <weiyongjun1@huawei.com>
>
> When terminating for_each_child_of_node() iteration with
> break or return, of_node_put() should be used to prevent
> stale device node references from being left behind.
>
> This is detected by Coccinelle semantic patch.
>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Thanks,
Applied to the togreg branch of iio.git. Initially pushed out
as testing for the autobuilders to play with it.
Jonathan
> ---
> drivers/iio/adc/ti-ads1015.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
> index 066abaf..cde6f13 100644
> --- a/drivers/iio/adc/ti-ads1015.c
> +++ b/drivers/iio/adc/ti-ads1015.c
> @@ -522,6 +522,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
> if (pga > 6) {
> dev_err(&client->dev, "invalid gain on %s\n",
> node->full_name);
> + of_node_put(node);
> return -EINVAL;
> }
> }
> @@ -532,6 +533,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
> dev_err(&client->dev,
> "invalid data_rate on %s\n",
> node->full_name);
> + of_node_put(node);
> return -EINVAL;
> }
> }
>
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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